SAN CARLOS II-POWER

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The Second San Carlos Hydropower Project forms part of ISA's 1978-85 expansion program to provide the additional power required through the mid-eighties and comprises mainly the second phase of the San Carlos hydro power development. (The first phase is being financed partly by Loan 1583-CO.) The project includes: (a) San Carlos II: construction and erection of a second penstock, four turbine-alternators and transformer groups totalling 620 MW, and ancillary equipment and works; (b) Calderas: construction of a 15 m high rock-fill dam on the Calderas River, inlet and discharge tunnels,and a surface power station with an 18 MW generating unit; (c) construction to two 230-kV transmission lines, between San Carlos and Medellin (90 km) and between Esmeralda and Yuma (200 km), and expansion of the various terminal substations; (d) consultant services for engineering, civil works and supervision; (e) a study of dispatch aspects of the interconnected system, as well as related training; and (f) a study of ISA's manpower and training requirements, and an associated training program.